1,8-Naphthalaldehydic acid , 97% , 5811-87-0

Synonym(s):
8-Formyl-1-naphthalenecarboxylic acid

CAS NO.：5811-87-0

Empirical Formula: C12H8O3

Molecular Weight: 200.19

MDL number: MFCD00134159

EINECS: 227-377-6

PRODUCT Properties

• Melting point: 160-167 °C
• Boiling point: 441.2±18.0 °C(Predicted)
• Density: 1.354±0.06 g/cm3(Predicted)
• pka: 2?+-.0.10(Predicted)
• form: Powder
• color: Cream

Description and Uses

1,8-Naphthalaldehydic acid may be used in the synthesis of fused bicyclic lactams, such as:

• 2,3,5,11b-tetrahydrobenz[de][1,3]oxazolo[3,2-a]isoquinolin-5-one
• 2,3,4,12b-tetrahydro-6H-benz[de][1,3]oxazino[3,2-a]isoquinolin-6-one
• 2,3,4,5,7,13b-hexahydrobenz[de][1,3]oxazepino[3,2-a]isoquinolin-7-one
• 1,2,3,11b-tetrahydro-5H-benz[de]imidazo[3,2-a]isoquinolin-5-one
• 1,2,3,4,6,12b-hexahydrobenzo[de]pyrimido[3,2-a]isoquinolin-7-one
• 1,2,3,4,5,13b-hexahydro-7H-benzo[de]1,3-diazepino[3,2-a]isoquinolin-7-one
• 7H-benzo[de]benzimidazo[3,2-a]isoquinolin-7-one
• 2,3,5,11b-tetrahydrobenzo[de]thiazolo[3,2-a]isoquinolin-5-one
• (9S,9R)-methyl 5-oxo[2,3,5,11b]-tetrahydrobenz[de]oxazolo[3,2-a]isoquinoline-3-carboxylate
• (3R,11bS)-3-phenyl-2,3,5,11b-tetrahydrobenz[de][1,3]oxazolo[2,3-a]isoquinolin-5-one

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• HS Code: 29122900